QUESTION TWO

$[20$ marks$]$

$2\mathrm{.}1$ Determine by means of Castigliano's second theorem, the displacement of point A of the frat elastic frame in Fig.Q$2$ in the direction perpendicular to the line of action of load P$?$

$[$is manks$]$

$2\mathrm{.}2$ Find the angle $$ so that there is no deflection perpendicular to the line of action oflowal a piat $A.$

$[5$nuks$]$